  	function imgChange(obj1, obj2) {
        //获取点击的文本框
        var file = document.getElementById("file");
        //存放图片的父级元素
        var imgContainer = document.getElementsByClassName(obj1)[0];
        //获取的图片文件
        var fileList = file.files;
        //文本框的父级元素
        var input = document.getElementsByClassName(obj2)[0];
      
        //遍历获取到得图片文件
        for (var i = 0; i < fileList.length; i++) {
        	
        	var reader = new FileReader();
        	reader.onload = function ( event ) { 
                var dataUrl = event.target.result;
              	QNToken(dataUrl,fileList.length);
           };  
           	reader.readAsDataURL(file.files[i])
        };
        imgRemove();
    };

    function imgRemove() {
        var imgList = document.getElementsByClassName("z_addImg");
        var mask = document.getElementsByClassName("z_mask")[0];
        var cancel = document.getElementsByClassName("z_cancel")[0];
        var sure = document.getElementsByClassName("z_sure")[0];
        for (var j = 0; j < imgList.length; j++) {
            imgList[j].index = j;
            imgList[j].onclick = function() {
                var t = this;
                mask.style.display = "block";
                cancel.onclick = function() {
                    mask.style.display = "none";
                };
                sure.onclick = function() {
                    mask.style.display = "none";
                    //t.style.display = "none";
                    t.remove();
                };

            }
        };
    };
